释义 |
cry·o·tron \ˈkrīō.ˌträn\ noun (-s) Etymology: cry- + -tron : a device performing some of the functions of an electron tube and consisting of a straight wire and another wire wound in a coil around it kept at a temperature near absolute zero, the straight wire being superconducting at the low temperature but becoming nonsuperconducting when a current passes through the coil wire |